'People are terrible at this,' said Chaz Firestone, co-author of the study. 'Humanity has been using knots for thousands of years. They're not that complicated- they're just some string tangled up. Yet you can show people real pictures of knots and ask them for any judgment about how the knot will behave and they have no clue.'
'You don't need to touch a stack of books to judge its stability. You don't have to feel a bowling ball to guess how many pins it will knock over. But knots seem to strain our judgment mechanisms in interesting ways,' explained Sholei Croom, the study's lead researcher.
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